Carry a high-tech pocket tool kit more stylish and discreet than a Swiss Army knife. The Credit Card Companion by Tool Logic ($16) is a rugged credit card-size multi-tool system slim enough to fit in your wallet. Packed in a tough Zytel case are a razor sharp 2-inch serrated blade with grip, a combination can and bottle opener, a flat screwdriver, tweezers and a toothpick. The Credit Card Companion also features an 8x power lens, a compass, an inch and cm rulers on the back and a lanyard hole.